UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100611.upa.cvt Date: 1100Z 6 OCT 25 Searching for FAIR... Searching the city database file for: FAIR ... Date:1100Z 6 OCT 25 Station: FAIR WMO ident: 68263 Latitude: -25.92 Longitude: 28.22 Elevation: 1500.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 118 1 925 799 SFC 851 1500 25.2 10.2 39 15.0 15.5 310 4 312.4 314.2 294.6 340.9 9.22 3 850 1537 23.0 10.0 44 13.0 14.7 235 3 310.2 312.0 293.9 338.2 9.11 4 847 1568 22.4 9.4 44 13.0 14.1 236 3 309.9 311.6 293.5 336.8 8.77 5 726 2880 10.0 6.1 77 3.9 7.7 287 12 310.3 311.8 293.2 335.4 8.16 6 700 3183 7.8 4.8 81 3.0 6.1 295 16 311.1 312.6 293.0 335.0 7.73 7 699 3195 7.6 4.7 82 2.9 5.9 295 16 311.0 312.5 293.0 334.7 7.69 8 676 3469 5.8 2.0 77 3.8 3.7 295 25 312.0 313.3 292.4 332.4 6.55 9 643 3878 6.2 -4.8 45 11.0 0.8 295 39 317.0 317.8 291.8 330.4 4.16 10 639 3929 5.6 -5.4 45 11.0 0.3 295 40 316.8 317.6 291.6 329.7 4.00 11 500 5870 -11.5 -12.0 96 0.5 -11.7 275 48 319.0 319.6 291.5 329.0 3.05 12 499 5885 -11.5 -11.9 97 0.4 -11.6 275 48 319.2 319.8 291.5 329.3 3.08 13 493 5979 -12.1 -12.1 100 0.0 -12.1 273 48 319.6 320.2 291.6 329.7 3.07 14 429 7038 -17.7 -17.7 100 0.0 -17.7 265 49 325.4 325.8 292.5 333.0 2.22 15 424 7126 -19.3 -19.3 100 0.0 -19.3 267 47 324.5 324.8 292.0 331.2 1.96 16 400 7560 -22.1 -22.1 100 0.0 -22.1 275 39 326.3 326.6 292.2 331.9 1.63 17 341 8711 -30.9 -30.9 100 0.0 -30.9 285 44 329.5 329.7 292.4 332.6 0.85 18 300 9610 -35.9 -35.9 100 0.0 -35.9 285 64 334.8 334.9 293.6 337.0 0.60 19 275 10208 -39.5 -39.5 100 0.0 -39.5 287 63 338.0 338.1 294.3 339.7 0.45 20 250 10850 -44.9 -44.9 100 0.0 -44.9 290 62 339.3 339.4 294.4 340.4 0.28 21 211 11959 -54.3 -54.3 100 0.0 -54.3 286 67 341.5 341.5 294.8 342.0 0.11 22 200 12300 -56.5 -56.5 100 0.0 -56.5 285 69 343.3 343.3 295.2 343.7 0.09 23 150 14080 -67.7 -67.7 100 0.0 -67.7 275 77 353.5 353.5 297.4 353.6 0.03 24 145 14284 -66.0 -66.0 100 0.0 -66.0 280 80 359.9 359.9 298.7 360.0 0.04 25 143 14368 -65.3 -65.3 100 0.0 -65.3 280 79 362.5 362.5 299.2 362.7 0.04 26 132 14852 -66.9 -66.9 100 0.0 -66.9 281 71 368.1 368.1 300.2 368.2 0.04 27 127 15085 -65.1 -65.1 100 0.0 -65.1 282 68 375.4 375.4 301.5 375.6 0.05 28 121 15377 -68.1 -68.1 100 0.0 -68.1 282 63 375.1 375.1 301.5 375.3 0.03 29 107 16109 -70.7 -70.7 100 0.0 -70.7 284 52 383.6 383.6 302.8 383.8 0.03 30 104 16277 -69.5 -69.5 100 0.0 -69.5 284 50 389.1 389.1 303.7 389.2 0.03 31 100 16510 -70.3 -70.3 100 0.0 -70.3 285 46 391.9 391.9 304.1 392.0 0.03 32 89 17201 -72.7 -72.7 100 0.0 -72.7 275 37 400.4 400.4 305.3 400.5 0.02 33 78 17978 -72.7 -72.7 100 0.0 -72.7 286 25 415.8 415.8 307.2 415.9 0.03 34 70 18620 -69.5 -69.5 100 0.0 -69.5 295 15 435.7 435.7 309.4 436.0 0.05 35 54 20189 -63.3 -63.3 100 0.0 -63.3 357 15 483.6 483.6 313.8 484.4 0.14 36 50 20660 -64.1 -64.1 100 0.0 -64.1 15 15 492.4 492.5 314.5 493.3 0.14 37 48 20910 -64.5 -64.5 100 0.0 -64.5 15 15 497.3 497.3 314.8 498.1 0.14 38 40 22038 -59.9 -59.9 100 0.0 -59.9 17 13 535.4 535.5 317.3 537.4 0.30 39 32 23428 -61.3 -61.3 100 0.0 -61.3 19 12 567.0 567.1 319.1 569.1 0.31 40 30 23830 -60.3 -60.3 100 0.0 -60.3 20 11 580.3 580.4 319.8 583.0 0.38 41 28 24261 -58.9 -58.9 100 0.0 -58.9 23 15 595.7 595.9 320.6 599.3 0.48 42 26 24725 -58.9 -63.2 57 4.3 -59.4 27 18 608.5 608.6 321.1 610.7 0.30 43 23 25495 -57.9 -61.3 65 3.4 -58.4 33 25 633.1 633.3 322.2 636.5 0.43 44 20 26380 -55.5 -63.5 36 8.0 -56.8 40 32 666.3 666.4 323.4 669.4 0.37 45 18 27053 -54.7 -66.7 21 12.0 -56.6 689.2 689.3 324.1 691.5 0.27 TRP 89 17201 -72.7 -72.7 100 0.0 -72.7 275 37 400.4 400.4 305.3 400.5 0.02 WND 145 14284 -66.0 -66.0 100 0.0 -66.0 280 80 359.9 359.9 298.7 360.0 0.04 Sounding variables and indices 1000-500 mb thick: 5752.00 m Freezing level: 593.48 mb = 4564.69 m = 14975.82 ft Wetbulb zero: 636.04 mb = 3965.74 m = 13010.79 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 67.20 % Est. max temperature: 23.91 C = 75.04 F Sfc-Lift cond lev (LCL): 682.43 mb = 3391.35 m = 11126.36 ft T: 6.31 C 700-500 lapse rate: 7.18 C/km ThetaE index: 11.89 C Layer 850.0- 499.0 mb Conv cond level (CCL): 631.13 mb = 4027.15 m = 13212.29 ft Mean mixing ratio: 8.55 g/kg Conv temperature: 29.54 C = 85.17 F Cap Strength: 3.25 C Lifted Index: -3.14 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.41 C Lifted Index @700 mb: 0.91 C Showalter Index: -3.96 C Risk: Severe thunderstorms possible Total Totals Index: 56.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 34.50 C Cross Totals Index: 21.50 C K Index: 41.50 Risk: > 80 % chance of thunderstorms Sweat Index: 314.00 Risk: Showers and thunderstorms possible Energy Index: -1.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 368.25 J/kg Max Up Vert Vel: 27.14 m/s Conv Inhibition (B-): 94.92 J/kg Cap Strength: 3.22 C Lift Cond Lev (LCL): 693.13 mb = 3263.90 m = 10708.20 ft Lev Free Conv (LFC): 568.13 mb = 4859.26 m = 15942.25 ft Equ Level (EL): 298.13 mb = 9653.01 m = 31669.60 ft B at Equ Level: 363.34 J/kg Max Parcel Lev (MPL): 188.13 mb = 12678.66 m = 41596.14 ft Wind level data Storm motion: 308 at 25 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 851 1500 310 4 3.1 -2.6 | 128 21 -16.7 13.1 1 850 1537 235 3 2.5 1.7 | 135 25 -17.3 17.4 2 792 2134 255 6 5.8 1.6 | 141 22 -14.0 17.2 3 764 2438 275 7 7.0 -0.6 | 140 20 -12.8 15.1 4 700 3183 295 16 14.5 -6.8 | 149 10 -5.3 8.9 5 635 3962 295 42 38.1 -17.7 | 276 18 18.3 -2.1 6 588 4572 285 42 40.6 -10.9 | 257 21 20.8 4.8 7 545 5182 285 44 42.5 -11.4 | 259 23 22.7 4.3 8 500 5870 275 48 47.8 -4.2 | 248 30 28.0 11.5 9 466 6401 265 50 49.8 4.4 | 236 36 30.0 20.0 10 430 7010 265 49 48.8 4.3 | 235 35 29.0 20.0 11 400 7560 275 39 38.9 -3.4 | 237 23 19.1 12.3 12 364 8230 285 35 33.8 -9.1 | 245 16 14.0 6.6 13 334 8839 285 47 45.4 -12.2 | 262 26 25.6 3.5 14 300 9610 285 64 61.8 -16.6 | 271 42 42.0 -0.9 15 250 10850 290 62 58.3 -21.2 | 278 39 38.5 -5.5 16 200 12300 285 69 66.6 -17.9 | 273 47 46.9 -2.2 17 150 14080 275 77 76.7 -6.7 | 261 58 56.9 9.0 18 145 14284 280 80 78.8 -13.9 | 268 59 59.0 1.8 19 100 16510 285 46 44.4 -11.9 | 261 25 24.7 3.8 20 89 17201 275 37 36.9 -3.2 | 234 21 17.1 12.5 21 70 18620 295 15 13.6 -6.3 | 146 11 -6.2 9.3 22 50 20660 15 15 -3.9 -14.5 | 93 24 -23.7 1.2 23 30 23830 20 11 -3.8 -10.3 | 103 24 -23.5 5.3 24 20 26380 40 32 -20.6 -24.5 | 78 41 -40.4 -8.8 Wind Parameters Mean winds (0-6000m): 278.4 at 33.7 knts Storm direction: 308.4 at 25.2 knts Shear (0-3000m) pos: 4.0 neg: 3.2 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 130.9 deg Storm rel helicity (0-3000m) pos: 81.1 neg: -30.5 tot: 50.6 m^2/s^2 ave: 16.9 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 3.3 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 3.04 Bulk Shear: 121.17 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 245 4 137 24| 0.0 4.9 4.9| 28.7 0.0 28.7 57.4 0.71| 6.8 4.9 1000 258 5 139 22| 1.9 2.5 4.4| 32.6 -1.8 30.8 30.8 0.48| 5.4 2.6 1500 272 7 141 20| 3.5 1.6 5.2| 41.7 -1.8 39.9 26.6 0.42| 5.9 2.5 2000 284 10 143 17| 5.9 1.2 7.2| 59.0 -1.8 57.2 28.6 0.54| 7.8 4.2 2500 289 15 154 12| 4.7 3.3 8.1| 81.1 -1.8 79.3 31.7 0.54| 9.4 5.1 3000 290 20 174 9| 4.0 3.2 7.1| 81.1 -30.5 50.6 16.9 0.37| 8.9 3.3 4000 287 26 213 9| 3.0 3.1 6.1| 85.4 -49.8 35.7 8.9 0.29| 7.5 2.2 5000 282 31 228 14| 2.4 3.5 5.9| 85.4-130.5 -45.0 -9.0 0.10| 7.5 0.8 6000 278 34 231 17| 1.9 2.9 4.8| 94.0-134.2 -40.3 -6.7 0.10| 7.3 0.7 Wrote GIF file: /home/apache/climate/data/raob//FAIR/skewt/FAIR.skewt.20251006.11.gif